LeanTween is an efficient tweening engine for the Unity 3d engine
You will need to have git installed and set in your system PATH.
Find Packages/manifest.json
in your project and add the following:
{
"dependencies": {
"com.oss.leantween": "https://github.com/JohannesDeml/LeanTween.git#2.50.3",
"...": "..."
}
}
Install the package with OpenUPM through the commandline
# Install openupm-cli
$ npm install -g openupm-cli
# Enter your unity project folder
$ cd YOUR_UNITY_PROJECT_FOLDER
# Add package to your project
$ openupm add com.oss.leantween